package com.wwg.cms.service;

import java.util.Collection;
import com.wwg.cms.bo.*;
/**
 * 
 * @author wwl
 */
public interface PlacardService extends java.io.Serializable{
    /**
	 *获取所有
	 */
	public Collection getPlacardList();
	
	/**
	 * 添加
	 * @param placard 
	 * @return
	 */
	public Placard addPlacard(Placard placard);
	
	/**
	 * 修改
	 * @param placard 
	 * @return
	 */
	public  Placard updatePlacard(Placard placard);
	
	/**
	 * 删除
	 * @param placard 
	 * @return
	 */
	public Placard deletePlacard(Placard placard);
    
    /**
     *  获取 by id
     *  @param id 编号
     * @return
	 */
    public Placard getPlacardById(Long id);
    
}
